The Watergate and McLean Allergy and Asthma Centers
Servicing your Allergy, Asthma, and Immunology needs in the Washington, DC Metropolitan Area and Northern Virginia
​Washington DC Office: 202-342-1984 McLean Office: 703-425-8616
Diagnostic Procedures
Comprehensive allergy and asthma services tailored to your needs, including a variety of diagnostic procedures to accurately identify your condition.
Environmental Skin Testing
A quick, in-office test that identifies allergies to common environmental triggers like pollen, dust, mold, and pet dander to help guide personalized treatment.
Food Skin Testing
A quick, in-office test that helps identify allergic reactions to common foods, supporting accurate diagnosis and personalized management plans.
Patch Testing
Patch testing identifies reactions to substances such as metals, fragrances, and chemicals. Small patches are applied to the skin and checked over several days to pinpoint causes of contact dermatitis.
Pulmonary Function Testing (Spirometry)
A simple breathing test that measures lung function to help diagnose and monitor asthma and other respiratory conditions.
Rhinoscopy
A brief, in-office exam that allows direct visualization of the nasal passages to assess congestion, inflammation, or structural issues.
Drug Allergy Testing
In-office testing used to evaluate suspected medication allergies and clarify whether a drug can be taken safely.
